This is an updated version of the first arrangement. Because the electrical code as of the 2011 NEC update requires a neutral wire in most new switch boxes, a 3-wire cable runs between the light and switch. The red and black are used for hot and the white neutral wire at the switch box allows for powering a remote controlled switch.
Two-wire cable runs from the switch output to the hot on the light fixture. The source neutral wire is spliced to the neutral on the receptacle half of the combo device and to the white cable wire. At the light it connects to the neutral terminal.
Check to be sure the traveler wires only connect between the traveler terminals on the switches. Also be sure the neutral from the source is connected to the neutral terminal at the light. A neutral wire will not be used with these switches, although some smart switches may make use of a neutral wire to operate the device.
The two 4-ways are located between the two 3-ways and the traveler wires run from SW1 to T1 on the first 4-way. T2 from that switch is wired to T1 on the second 4way and the output from there to the traveler terminals on SW2.
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